/// <summary>
/// Attempt to release array to global storage
/// </summary>
/// <param name="array">Array</param>
/// <returns>True if array was returned back to the pool storage, otherwise false</returns>
internal bool TryReleaseGlobal(byte[] array)
{
int iteration = 0;
var unpackedIndices = new HeadTailIndicesStruct(_headTailIndices);
while (unpackedIndices.HasFreeSpace(_arrayContainer.Length))
{
int tailIndex = unpackedIndices.MoveTailForward(_arrayContainer.Length);
if (unpackedIndices.CompareExchangeCurState(ref _headTailIndices))
{
Interlocked.Exchange(ref _arrayContainer[tailIndex], array);
return(true);
}
if (++iteration > 16)
{
Thread.Yield();
}
else if (iteration > 4)
{
Thread.SpinWait(iteration << 3);
}
unpackedIndices = new HeadTailIndicesStruct(_headTailIndices);
}
return(false);
}
/// <summary>
/// Attempts to rent from global array container
/// </summary>
/// <returns>Byte array if success, null otherwise</returns>
internal byte[] TryRentGlobal()
{
int iteration = 0;
var unpackedIndices = new HeadTailIndicesStruct(_headTailIndices);
while (unpackedIndices.HasAvailableElements(_arrayContainer.Length))
{
int headIndex = unpackedIndices.MoveHeadForward(_arrayContainer.Length);
if (unpackedIndices.CompareExchangeCurState(ref _headTailIndices))
{
return(Interlocked.Exchange(ref _arrayContainer[headIndex], null));
}
if (++iteration > 16)
{
Thread.Yield();
}
else if (iteration > 4)
{
Thread.SpinWait(iteration << 3);
}
unpackedIndices = new HeadTailIndicesStruct(_headTailIndices);
}
return(null);
}
